參數(shù)資料
型號: IS82C88
廠商: INTERSIL CORP
元件分類: 外設(shè)及接口
英文描述: CMOS Bus Controller
中文描述: 8 MHz, CONTROL AND CMD SIG GEN, PQCC20
封裝: PLASTIC, LCC-20
文件頁數(shù): 7/10頁
文件大小: 129K
代理商: IS82C88
4-339
Timing Waveforms
(Note 3)
NOTES:
1. Address/Data Bus is shown only for reference purposes.
2. Leading edge of ALE and MCE is determined by the falling edge of CLK or status going active. Whichever occurs last.
3. All timing measurements are made at 1.5V unless otherwise specified.
FIGURE 1.
STATE
CLK
S2, S1, S0
ADDRESS/DATA
ALE
MRDC, IORC, INTA,
AMWC, AIOWC
MWTC, IOWC
DEN (READ)
(INTA)
PDEN (READ)
(INTA)
DEN (WRITE)
PDEN (WRITE)
DT/R (READ)
(INTA)
MCE
T
4
T
1
T
2
T
3
T
4
TCLCL
(1)
TCLCH
(2)
TCHCL
(3)
TCLSH
(7)
TSHCL
(6)
TSVCH
(4)
TCHSV
(5)
TCLLH
(10)
TSVLH (12)
TCHLL (14)
TCLML
(15)
TCLML
(15)
TCLMH
(16)
TCVNX
(9)
TCVNV
(8)
TCVNV
(8)
TCVNX
(9)
TCHDTH
(18)
TCHDTL
(17)
TCHDTH
(18)
TCLMCH
(11)
TSVMCH
(13)
TCVNX
(9)
2
2
1
WRITE
DATA VALID
ADDRESS
VALID
82C88
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